HEDS-9731#251

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Encoders are specialized high-precision electronic components that measure and convert mechanical motion into digital or analog signals. In particular, HEDS-9731#251 is an encoder device specifically designed to measure the positions of shafts, rotors and other rotary motion components. It uses the principle of absolute optical encoder to provide a precision position feedback for the control systems in a variety of industries and applications.

Design Features of the HEDS-9731#251 Encoder

The HEDS-9731#251 encoder consists of a light-source, light-detector (sensor), a glass disc with radial tracks and index marks, and two counting discwheels. The indicator shaft encoder is connected to the motor shaft, which rotates the discs to generate signals. The light-source, light-sensor, and glass disc are mounted inside a sealed housing. This allows the encoder to be protected from the harsh environment commonly found in industrial applications.

The components of the encoder are precision-machined and carefully aligned. The glass disc contains 500 transparent tracks, which are divided into two groups. Each group is divided into four sections. Each track is 1.2mm wide, and the total number of closed tracks is 2000. There is also an index marker which is used for exact positioning. The two counting discwheels have 12 segments with a yellow marking in the center for easy reference of the count.

Working Principle of the HEDS-9731#251 Encoder

When the glass disc rotates, the light from the light-source is reflected off the tracks and detected by the light-sensor. This produces a series of electrical signals, which correspond to the angular orientation of the motor shaft. To simplify the signal processing, the two counting discwheels divide the angular range into 12 segments. When a yellow marking is detected by the light-sensor, a signal is generated to reset the counter. This allows the position of the motor shaft to be determined for any angle.

The HEDS-9731#251 encoder can also be used in combination with an indexer to measure the absolute position of the motor shaft. This is done by setting a reference position and then counting the number of pulses until the reference position is reached again. This allows the absolute angle of the motor shaft to be measured, and the motor can then be programmed to run to a specific point.

Application Field of the HEDS-9731#251 Encoder

The HEDS-9731#251 encoder is suitable for a wide range of applications since it is capable of measuring the absolute angular position of a motor shaft. It is also able to measure speed and acceleration with high accuracy. To ensure accuracy, the encoder is designed to be highly immune to environmental variations such as vibration and electromagnetic noise.

The HEDS-9731#251 encoder is ideal for use in industrial automation and robotics, machine tool control, robotics, and automation systems. It is also suitable for use in non-industrial applications such as medical, laboratory, automotive, and aerospace applications. Additionally, it is suitable for use in projects that require precision feedback control.

In conclusion, the HEDS-9731#251 encoder is a precision, high-performance device specially designed for sampling and measuring the angular position of motor shafts and other rotary motion components. It is robust and highly accurate while being resistant to environmental conditions such as vibration and electromagnetic noise. This makes it ideal for use in a wide variety of industries and applications.

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